Derivative Spectrophotometric Determination of Nd, Ho and Er in Rare Earth Mixtures with 1-Ethyl-6,8-difluoro-7-(3-methyl-1-piperazinyl)-4-oxo-1,4-dihydro-3-quinoline carboxylic acid

1999 ◽  
Vol 132 (1) ◽  
pp. 17-23 ◽  
Author(s):  
Naixing Wang ◽  
Lei Wang ◽  
Xuezhen Ren ◽  
Wei Jiang ◽  
Zhikun Si ◽  
...  
Keyword(s):  
Rare Earth ◽  
Carboxylic Acid ◽  
Spectrophotometric Determination ◽  
Quinoline Carboxylic Acid

scholarly journals Spectrophotometric determination of erbium using kojic acid dye in different rare earth concentrates

2018 ◽  
Vol 27 (4) ◽  
pp. 739-745 ◽  
Author(s):  
A.A. Abdou ◽  
S.A. Abo-El-Enein ◽  
H.K. Fouad ◽  
N.A. Fattah ◽  
E.M. El Desouky
Keyword(s):  
Rare Earth ◽  
Spectrophotometric Determination ◽  
Kojic Acid ◽  
Acid Dye
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